]>
Commit | Line | Data |
---|---|---|
1 | /* | |
2 | * This file is part of the PulseView project. | |
3 | * | |
4 | * Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <cassert> | |
21 | #include <cstdint> | |
22 | ||
23 | #include <QSpinBox> | |
24 | ||
25 | #include "int.hpp" | |
26 | ||
27 | using boost::optional; | |
28 | using std::max; | |
29 | using std::min; | |
30 | using std::pair; | |
31 | ||
32 | namespace pv { | |
33 | namespace prop { | |
34 | ||
35 | Int::Int(QString name, | |
36 | QString suffix, | |
37 | optional< pair<int64_t, int64_t> > range, | |
38 | Getter getter, | |
39 | Setter setter) : | |
40 | Property(name, getter, setter), | |
41 | suffix_(suffix), | |
42 | range_(range), | |
43 | spin_box_(nullptr) | |
44 | { | |
45 | } | |
46 | ||
47 | QWidget* Int::get_widget(QWidget *parent, bool auto_commit) | |
48 | { | |
49 | int64_t int_val = 0, range_min = 0; | |
50 | uint64_t range_max = 0; | |
51 | ||
52 | if (spin_box_) | |
53 | return spin_box_; | |
54 | ||
55 | if (!getter_) | |
56 | return nullptr; | |
57 | ||
58 | value_ = getter_(); | |
59 | ||
60 | GVariant *value = value_.gobj(); | |
61 | if (!value) | |
62 | return nullptr; | |
63 | ||
64 | spin_box_ = new QSpinBox(parent); | |
65 | spin_box_->setSuffix(suffix_); | |
66 | ||
67 | const GVariantType *const type = g_variant_get_type(value); | |
68 | assert(type); | |
69 | ||
70 | if (g_variant_type_equal(type, G_VARIANT_TYPE_BYTE)) { | |
71 | int_val = g_variant_get_byte(value); | |
72 | range_min = 0, range_max = UINT8_MAX; | |
73 | } else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT16)) { | |
74 | int_val = g_variant_get_int16(value); | |
75 | range_min = INT16_MIN, range_max = INT16_MAX; | |
76 | } else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT16)) { | |
77 | int_val = g_variant_get_uint16(value); | |
78 | range_min = 0, range_max = UINT16_MAX; | |
79 | } else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT32)) { | |
80 | int_val = g_variant_get_int32(value); | |
81 | range_min = INT32_MIN, range_max = INT32_MAX; | |
82 | } else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT32)) { | |
83 | int_val = g_variant_get_uint32(value); | |
84 | range_min = 0, range_max = UINT32_MAX; | |
85 | } else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT64)) { | |
86 | int_val = g_variant_get_int64(value); | |
87 | range_min = INT64_MIN, range_max = INT64_MAX; | |
88 | } else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT64)) { | |
89 | int_val = g_variant_get_uint64(value); | |
90 | range_min = 0, range_max = UINT64_MAX; | |
91 | } else { | |
92 | // Unexpected value type. | |
93 | assert(false); | |
94 | } | |
95 | ||
96 | // @todo Sigrok supports 64-bit quantities, but Qt does not have a | |
97 | // standard widget to allow the values to be modified over the full | |
98 | // 64-bit range on 32-bit machines. To solve the issue we need a | |
99 | // custom widget. | |
100 | ||
101 | range_min = max(range_min, (int64_t)INT_MIN); | |
102 | range_max = min(range_max, (uint64_t)INT_MAX); | |
103 | ||
104 | if (range_) | |
105 | spin_box_->setRange((int)range_->first, (int)range_->second); | |
106 | else | |
107 | spin_box_->setRange((int)range_min, (int)range_max); | |
108 | ||
109 | spin_box_->setValue((int)int_val); | |
110 | ||
111 | if (auto_commit) | |
112 | connect(spin_box_, SIGNAL(valueChanged(int)), | |
113 | this, SLOT(on_value_changed(int))); | |
114 | ||
115 | return spin_box_; | |
116 | } | |
117 | ||
118 | void Int::commit() | |
119 | { | |
120 | assert(setter_); | |
121 | ||
122 | if (!spin_box_) | |
123 | return; | |
124 | ||
125 | GVariant *new_value = nullptr; | |
126 | const GVariantType *const type = g_variant_get_type(value_.gobj()); | |
127 | assert(type); | |
128 | ||
129 | if (g_variant_type_equal(type, G_VARIANT_TYPE_BYTE)) | |
130 | new_value = g_variant_new_byte(spin_box_->value()); | |
131 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT16)) | |
132 | new_value = g_variant_new_int16(spin_box_->value()); | |
133 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT16)) | |
134 | new_value = g_variant_new_uint16(spin_box_->value()); | |
135 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT32)) | |
136 | new_value = g_variant_new_int32(spin_box_->value()); | |
137 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT32)) | |
138 | new_value = g_variant_new_uint32(spin_box_->value()); | |
139 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_INT64)) | |
140 | new_value = g_variant_new_int64(spin_box_->value()); | |
141 | else if (g_variant_type_equal(type, G_VARIANT_TYPE_UINT64)) | |
142 | new_value = g_variant_new_uint64(spin_box_->value()); | |
143 | else { | |
144 | // Unexpected value type. | |
145 | assert(false); | |
146 | } | |
147 | ||
148 | assert(new_value); | |
149 | ||
150 | value_ = Glib::VariantBase(new_value); | |
151 | ||
152 | setter_(value_); | |
153 | } | |
154 | ||
155 | void Int::on_value_changed(int) | |
156 | { | |
157 | commit(); | |
158 | } | |
159 | ||
160 | } // namespace prop | |
161 | } // namespace pv |